153474103747561 has 2 divisors, whose sum is σ = 153474103747562. Its totient is φ = 153474103747560.

The previous prime is 153474103747553. The next prime is 153474103747607. The reversal of 153474103747561 is 165747301474351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95635569070336 + 57838534677225 = 9779344^2 + 7605165^2 .

It is a cyclic number.

It is not a de Polignac number, because 153474103747561 - 2³ = 153474103747553 is a prime.

It is a super-2 number, since 2×153474103747561² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153474103747496 and 153474103747505.

It is not a weakly prime, because it can be changed into another prime (153474103747661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76737051873780 + 76737051873781.

It is an arithmetic number, because the mean of its divisors is an integer number (76737051873781).

Almost surely, 2^{153474103747561} is an apocalyptic number.

It is an amenable number.

153474103747561 is a deficient number, since it is larger than the sum of its proper divisors (1).

153474103747561 is an equidigital number, since it uses as much as digits as its factorization.

153474103747561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29635200, while the sum is 58.

The spelling of 153474103747561 in words is "one hundred fifty-three trillion, four hundred seventy-four billion, one hundred three million, seven hundred forty-seven thousand, five hundred sixty-one".